Consolidated Balance Sheets (USD $)	Dec. 31, 2012	Dec. 31, 2011
Fixed maturities
Held to maturity, at amortized cost (fair value $43,735,739 and $61,422,347)	$ 42,100,196	$ 58,489,619
Available for sale, at fair value (amortized cost $655,173,806 and $614,298,854)	694,509,821	646,598,178
Equity securities, available for sale, at fair value (cost $8,663,183 and $7,238,803)	8,757,258	7,437,538
Investments in affiliates	37,235,530	32,322,246
Short-term investments, at cost, which approximates fair value	23,826,227	40,461,410
Total investments	806,429,032	785,308,991
Cash	19,801,290	13,245,378
Accrued investment income	6,332,085	6,713,038
Premiums receivable	117,196,478	104,715,327
Reinsurance receivable	215,893,322	209,823,907
Deferred policy acquisition costs	40,121,697	36,424,955
Deferred tax asset, net	6,267,536	9,919,720
Prepaid reinsurance premiums	111,156,162	106,450,018
Property and equipment, net	5,953,833	6,154,383
Accounts receivable - securities		1,507,500
Federal income taxes recoverable		2,661,808
Goodwill	5,625,354	5,625,354
Other intangible assets	958,010	958,010
Other	1,154,388	1,285,089
Total assets	1,336,889,187	1,290,793,478
Liabilities
Losses and loss expenses	458,827,395	442,407,615
Unearned premiums	363,088,103	336,937,261
Accrued expenses	17,140,832	20,956,549
Reinsurance balances payable	13,941,337	20,039,339
Borrowings under line of credit	52,000,000	54,500,000
Cash dividends declared to stockholders	3,066,532	2,996,076
Subordinated debentures	20,465,000	20,465,000
Federal income taxes payable	583,977
Due to affiliate	4,579,437	5,386,391
Drafts payable	863,589	1,548,953
Other	2,298,891	2,104,702
Total liabilities	936,855,093	907,341,886
Stockholders' Equity
Preferred stock, $1.00 par value, authorized 2,000,000 shares; none issued
Additional paid-in capital	176,416,585	170,836,943
Accumulated other comprehensive income	26,394,577	23,533,447
Retained earnings	209,670,214	199,604,700
Treasury stock, at cost	(12,713,193)	(10,787,520)
Total stockholders' equity	400,034,094	383,451,592
Total liabilities and stockholders' equity	1,336,889,187	1,290,793,478
Common Class A
Stockholders' Equity
Common stock value	209,419	207,530
Total stockholders' equity	209,419	207,530
Common Class B
Stockholders' Equity
Common stock value	56,492	56,492
Total stockholders' equity	$ 56,492	$ 56,492